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// SPDX-License-Identifier: GPL-2.0+
/*
* Machine driver for AMD Yellow Carp platform using DMIC
*
* Copyright 2021 Advanced Micro Devices, Inc.
*/
#include <sound/soc.h>
#include <sound/soc-dapm.h>
#include <linux/module.h>
#include <sound/pcm.h>
#include <sound/pcm_params.h>
#include <linux/io.h>
#include <linux/dmi.h>
#include <linux/acpi.h>
#include "acp6x.h"
#define DRV_NAME "acp_yc_mach"
SND_SOC_DAILINK_DEF(acp6x_pdm,
DAILINK_COMP_ARRAY(COMP_CPU("acp_yc_pdm_dma.0")));
SND_SOC_DAILINK_DEF(dmic_codec,
DAILINK_COMP_ARRAY(COMP_CODEC("dmic-codec.0",
"dmic-hifi")));
SND_SOC_DAILINK_DEF(pdm_platform,
DAILINK_COMP_ARRAY(COMP_PLATFORM("acp_yc_pdm_dma.0")));
static struct snd_soc_dai_link acp6x_dai_pdm[] = {
{
.name = "acp6x-dmic-capture",
.stream_name = "DMIC capture",
.capture_only = 1,
SND_SOC_DAILINK_REG(acp6x_pdm, dmic_codec, pdm_platform),
},
};
static struct snd_soc_card acp6x_card = {
.name = "acp6x",
.owner = THIS_MODULE,
.dai_link = acp6x_dai_pdm,
.num_links = 1,
};
static const struct dmi_system_id yc_acp_quirk_table[] = {
{
.driver_data = &acp6x_card,
.matches = {
DMI_MATCH(DMI_BOARD_VENDOR, "LENOVO"),
DMI_MATCH(DMI_PRODUCT_NAME, "21D2"),
}
},
{
.driver_data = &acp6x_card,
.matches = {
DMI_MATCH(DMI_BOARD_VENDOR, "LENOVO"),
DMI_MATCH(DMI_PRODUCT_NAME, "21D3"),
}
},
{
.driver_data = &acp6x_card,
.matches = {
DMI_MATCH(DMI_BOARD_VENDOR, "LENOVO"),
DMI_MATCH(DMI_PRODUCT_NAME, "21D4"),
}
},
{
.driver_data = &acp6x_card,
.matches = {
DMI_MATCH(DMI_BOARD_VENDOR, "LENOVO"),
DMI_MATCH(DMI_PRODUCT_NAME, "21D5"),
}
},
{
.driver_data = &acp6x_card,
.matches = {
DMI_MATCH(DMI_BOARD_VENDOR, "LENOVO"),
DMI_MATCH(DMI_PRODUCT_NAME, "21CF"),
}
},
{
.driver_data = &acp6x_card,
.matches = {
DMI_MATCH(DMI_BOARD_VENDOR, "LENOVO"),
DMI_MATCH(DMI_PRODUCT_NAME, "21CG"),
}
},
{
.driver_data = &acp6x_card,
.matches = {
DMI_MATCH(DMI_BOARD_VENDOR, "LENOVO"),
DMI_MATCH(DMI_PRODUCT_NAME, "21CQ"),
}
},
{
.driver_data = &acp6x_card,
.matches = {
DMI_MATCH(DMI_BOARD_VENDOR, "LENOVO"),
DMI_MATCH(DMI_PRODUCT_NAME, "21CR"),
}
},
{
.driver_data = &acp6x_card,
.matches = {
DMI_MATCH(DMI_BOARD_VENDOR, "LENOVO"),
DMI_MATCH(DMI_PRODUCT_NAME, "21AW"),
}
},
{
.driver_data = &acp6x_card,
.matches = {
DMI_MATCH(DMI_BOARD_VENDOR, "LENOVO"),
DMI_MATCH(DMI_PRODUCT_NAME, "21AX"),
}
},
{
.driver_data = &acp6x_card,
.matches = {
DMI_MATCH(DMI_BOARD_VENDOR, "LENOVO"),
DMI_MATCH(DMI_PRODUCT_NAME, "21BN"),
}
},
{
.driver_data = &acp6x_card,
.matches = {
DMI_MATCH(DMI_BOARD_VENDOR, "LENOVO"),
DMI_MATCH(DMI_PRODUCT_NAME, "21BQ"),
}
},
{
.driver_data = &acp6x_card,
.matches = {
DMI_MATCH(DMI_BOARD_VENDOR, "LENOVO"),
DMI_MATCH(DMI_PRODUCT_NAME, "21CH"),
}
},
{
.driver_data = &acp6x_card,
.matches = {
DMI_MATCH(DMI_BOARD_VENDOR, "LENOVO"),
DMI_MATCH(DMI_PRODUCT_NAME, "21CJ"),
}
},
{
.driver_data = &acp6x_card,
.matches = {
DMI_MATCH(DMI_BOARD_VENDOR, "LENOVO"),
DMI_MATCH(DMI_PRODUCT_NAME, "21CK"),
}
},
{
.driver_data = &acp6x_card,
.matches = {
DMI_MATCH(DMI_BOARD_VENDOR, "LENOVO"),
DMI_MATCH(DMI_PRODUCT_NAME, "21CL"),
}
},
{
.driver_data = &acp6x_card,
.matches = {
DMI_MATCH(DMI_BOARD_VENDOR, "LENOVO"),
DMI_MATCH(DMI_PRODUCT_NAME, "21D8"),
}
},
{
.driver_data = &acp6x_card,
.matches = {
DMI_MATCH(DMI_BOARD_VENDOR, "LENOVO"),
DMI_MATCH(DMI_PRODUCT_NAME, "21D9"),
}
},
{}
};
static int acp6x_probe(struct platform_device *pdev)
{
const struct dmi_system_id *dmi_id;
struct acp6x_pdm *machine = NULL;
struct snd_soc_card *card;
struct acpi_device *adev;
int ret;
/* check the parent device's firmware node has _DSD or not */
adev = ACPI_COMPANION(pdev->dev.parent);
if (adev) {
const union acpi_object *obj;
if (!acpi_dev_get_property(adev, "AcpDmicConnected", ACPI_TYPE_INTEGER, &obj) &&
obj->integer.value == 1)
platform_set_drvdata(pdev, &acp6x_card);
}
/* check for any DMI overrides */
dmi_id = dmi_first_match(yc_acp_quirk_table);
if (dmi_id)
platform_set_drvdata(pdev, dmi_id->driver_data);
card = platform_get_drvdata(pdev);
if (!card)
return -ENODEV;
dev_info(&pdev->dev, "Enabling ACP DMIC support via %s", dmi_id ? "DMI" : "ACPI");
acp6x_card.dev = &pdev->dev;
snd_soc_card_set_drvdata(card, machine);
ret = devm_snd_soc_register_card(&pdev->dev, card);
if (ret) {
return dev_err_probe(&pdev->dev, ret,
"snd_soc_register_card(%s) failed\n",
card->name);
}
return 0;
}
static struct platform_driver acp6x_mach_driver = {
.driver = {
.name = "acp_yc_mach",
.pm = &snd_soc_pm_ops,
},
.probe = acp6x_probe,
};
module_platform_driver(acp6x_mach_driver);
MODULE_AUTHOR("Vijendar.Mukunda@amd.com");
MODULE_LICENSE("GPL v2");
MODULE_ALIAS("platform:" DRV_NAME);
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